/*
XPTracker - Alternative Agile Tracking Tool
Copyright (C) 2006-2009  Stephen Starkey

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/
package org.xptracker.util;

import org.apache.commons.lang.StringUtils;

import java.util.Arrays;
import java.util.List;

public class StringUtil {
  public static String truncate(String string, int wordLimit) {
    if(StringUtils.isBlank(string)) {
      return "";
    }
    List<String> words = Arrays.asList(string.split(" "));
    if(words.size() <= wordLimit) {
      return string;
    }
    return StringUtils.join(words.subList(0, wordLimit).toArray(new String[0]), " ") + "...";
  }

  public static String maxChars(String string, int maxChars) {
    String newStr = StringUtils.substring(string, 0, maxChars);
    if (newStr.length() != string.length()) {
      newStr += "...";
    }
    return newStr;
  }

  public static String escapeJavaScript(String text) {
    return text.replaceAll("\\'", "\\\\'").replaceAll("\\n", "\\\\n");
  }
}
